RECENT ACCOUNTING PRONOUNCEMENTS Lease Standard - Effect of Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net earnings	$ 75,215	$ 44,908	$ 120,531	$ 81,794
Earnings from continuing operations	75,452	46,169	121,342	83,482
Depreciation expense			768,030	675,505
Used vehicle sales, net	$ 18,140	5,559	26,357	12,990
Amortization expense and other non-cash charges, net			82,585	69,074
Deferred income tax expense			41,688	82,123
Collections on sales-type leases			63,047	43,170
Prepaid expenses and other assets			(6,175)	(61,464)
Accrued expenses and other non-current liabilities			(82,619)	(70,524)
Net cash provided by operating activities from continuing operations			1,045,059	864,825
Debt repaid			(902,814)	(451,673)
Net cash provided by financing activities from continuing operations			937,039	514,050
Collections on direct finance leases and other items				0
Net cash used in investing activities from continuing operations			$ (1,954,491)	(1,388,295)
Accounting Standards Update 2016-02 | As Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net earnings		42,300		75,800
Earnings from continuing operations		43,500		77,500
Depreciation expense				681,300
Used vehicle sales, net		$ 6,000		13,400
Amortization expense and other non-cash charges, net				15,700
Deferred income tax expense				79,900
Collections on sales-type leases				0
Prepaid expenses and other assets				(15,200)
Accrued expenses and other non-current liabilities				(62,700)
Net cash provided by operating activities from continuing operations				820,300
Debt repaid				(446,700)
Net cash provided by financing activities from continuing operations				519,100
Collections on direct finance leases and other items				39,400
Net cash used in investing activities from continuing operations				(1,348,900)
Accounting Standards Update 2016-02 | New Lease Standard Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net earnings				6,000
Earnings from continuing operations				6,000
Depreciation expense				(5,800)
Used vehicle sales, net				(400)
Amortization expense and other non-cash charges, net				53,400
Deferred income tax expense				2,200
Collections on sales-type leases				43,200
Prepaid expenses and other assets				(46,300)
Accrued expenses and other non-current liabilities				(7,800)
Net cash provided by operating activities from continuing operations				44,500
Debt repaid				(5,000)
Net cash provided by financing activities from continuing operations				(5,000)
Collections on direct finance leases and other items				(39,400)
Net cash used in investing activities from continuing operations				$ (39,400)